Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 24/18 and 21/12

1st number: 1 6/18, 2nd number: 1 9/12

24/18 + 21/12 is 37/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 12 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    24/18 = 24 × 2/18 × 2 = 48/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    21/12 = 21 × 3/12 × 3 = 63/36
  4. Add the two fractions:
    48/36 + 63/36 = 48 + 63/36 = 111/36
  5. After reducing the fraction, the answer is 37/12
  6. In mixed form: 31/12

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com